Enable filter in Find dialog box
User Configuration\AdministrativeTemplates\Desktop\Active Directory
Displays the filter bar above the results of an Active Directory search. The filter bar consists of buttons for applying additional filters to search results.
If you enable this policy, the filter bar appears when the Active Directory Find dialog box opens, but users can hide it.
If you disable this policy or do not configure it, the filter bar does not appear, but users can display it by selecting Filter from the View menu.
To see the filter bar, open My Network Places, click Entire Network, and then click Directory. Right-click the name of a Windows 2000 domain, and click Find. Type the name of an object in the directory, such as Administrator. If the filter bar does not appear above the resulting display then, from the View menu, click Filter.